[Bug lto/52178] [4.7 regression] Ada bootstrap failure in LTO mode

[ebotcazou at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52178

--- Comment #12 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-02-13 13:53:01 UTC ---
> Still they are refered to globally.  I'm refering to
> atree__atree_private_part__node_record___is_extension___XVN
> (it doesn't have any TYPE_CONTEXT though, and its TYPE_SIZE is a constant).

It's a global, self-referential type.

> Still variably_modified_type_p (t, NULL_TREE) returns true probaby because
> DECL_QUALIFIER of one FIELD_DECL is

OK, that looks like the root cause.